Prosečne GPS koordinate za poštanski broj 157-717: 37.552, 126.871

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Spisak gradova:
>> Yeomchang-dong/염창동 157-717, Seoul/서울, Gangseo-gu/강서구, Samseonghanmaeumapateu/삼성한마음아파트, GPS koordinate: 37.55228,126.87077
>> Yeomchang-dong/염창동 157-717, Seoul/서울, Gangseo-gu/강서구, Sindongaapateu 101-103/신동아아파트 101-103, GPS koordinate: 37.55225,126.87074